const formatTime = date => {
	const year = date.getFullYear()
	const month = date.getMonth() + 1
	const day = date.getDate()
	const hour = date.getHours()
	const minute = date.getMinutes()
	const second = date.getSeconds()

	return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
}

const formatNumber = n => {
	n = n.toString()
	return n[1] ? n : `0${n}`
}

const debounce = (function () {
	let timer = 0
	return function (callback, ms) {
		console.log(callback)
		clearTimeout(timer)
		timer = setTimeout(callback, ms)
	}
})()

module.exports = {
	formatTime,
	debounce
}
